Synthetically versatile alkyl sulfinates can be prepared from readily available amines, using Katritzky pyridinium salt intermediates. In a catalyst-free procedure, primary, secondary, and benzylic alkyl radicals are generated by photoinduced or thermally induced single-electron transfer (SET) from an electron donor–acceptor (EDA) complex, and trapped by SO2 to generate sulfonyl radicals. Hydrogen
合成通用的烷基亚
磺酸盐可以使用卡特里茨基
吡啶鎓盐
中间体从容易获得的胺制备。在无
催化剂的过程中,伯、仲和
苄基烷基自由基是通过光诱导或热诱导单电子转移 (
SET) 从电子供体 - 受体 (E
DA) 复合物产生的,并被 SO 2捕获以产生磺酰基自由基。来自 Hantzsch
酯的
氢原子转移 (HAT) 产生烷基亚
磺酸盐产物,用于制备一系列与药物
化学相关的含磺酰基基序。